Particle shape effect on fracture toughness of pp-based particle composite

0318735 - ÚFM 2009 RIV GB eng A - Abstract
Knésl, Zdeněk - Hutař, Pavel - Majer, Zdeněk - Náhlík, Luboš
Particle shape effect on fracture toughness of pp-based particle composite.
[Vliv tvaru částice na lomové chování částicového kompozitu.]
5th International Conference on Fracture of Polymers, Composites and Adhesives. Berkshire: Elsevier, 2008. s. 1-1.
[International Conference on Fracture of Polymers, Composites and Adhesives /5./. 07.09.2008-11.09.2008, Les Diablerets]
R&D Projects: GA ČR GA106/07/1284; GA ČR GD106/05/H008; GA AV ČR 1QS200410502
Institutional research plan: CEZ:AV0Z20410507
Keywords : polymer composite * particles * interphase
Subject RIV: JL - Materials Fatigue, Friction Mechanics

The presence of particles in polymer composite significantly influences the cure reaction, resulting in the formation of the third phase known as the interphase, which possesses property distinct from those of the matrix and the particles. In the present contribution the interaction of micro-crack propagating in the matrix filled by rigid particles covered by the interphase is analyzed. The stress distribution was determined for variety of particle size, shape and material properties of the interphase. The corresponding values of the stress intensity factors for a micro-crack lying in the matrix were evaluated.

Přítomnost částic v polymerní matrici způsobuje formování třetí fáze na rozhraní matrice-částice, tzv. mezifázi. V příspěvku je studován vliv mezifáze na lomové chování kompozitu.
Permanent Link: http://hdl.handle.net/11104/0168064